{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [],
   "source": [
    "import requests\n",
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
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<turnover>9067543200</turnover>\\n        <productid>TS</productid>\\n        <delta></delta>\\n        <expiredate>20210611</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TS2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>99.815</openprice>\\n        <highestprice>99.88</highestprice>\\n        <lowestprice>99.815</lowestprice>\\n        <closeprice>99.875</closeprice>\\n        <preopeninterest>171</preopeninterest>\\n        <openinterest>193</openinterest>\\n        <presettlementprice>99.85</presettlementprice>\\n        <settlementpriceif>99.875</settlementpriceif>\\n        <settlementprice>99.875</settlementprice>\\n        <volume>56</volume>\\n        <turnover>111846700</turnover>\\n        <productid>TS</productid>\\n        <delta></delta>\\n        <expiredate>20210910</expiredate>\\n    </dailydata>\\n</dailydatas>\\n'"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 通过爬虫获取 XML 格式文本\n",
    "headers = {\n",
    "            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'\n",
    "            }\n",
    "\n",
    "file_url = 'http://www.cffex.com.cn/sj/hqsj/rtj/' + '202102' + '/' + '22' + '/index.xml'\n",
    "respose_str = requests.get(file_url,headers=headers).content\n",
    "respose_str"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 写入 XML 文件\n",
    "with open('./xml_origin.xml', 'w') as f:\n",
    "    f.write(str(respose_str))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b'<?xml version=\"1.0\" encoding=\"UTF-8\"?>\\n\\n<dailydatas>\\n    <dailydata>\\n        <instrumentid>IC2103</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>6660</openprice>\\n        <highestprice>6744</highestprice>\\n        <lowestprice>6565</lowestprice>\\n        <closeprice>6576.8</closeprice>\\n        <preopeninterest>138714</preopeninterest>\\n        <openinterest>141161</openinterest>\\n        <presettlementprice>6612.6</presettlementprice>\\n        <settlementpriceif>6603.8</settlementpriceif>\\n        <settlementprice>6603.8</settlementprice>\\n        <volume>98536</volume>\\n        <turnover>131405556280</turnover>\\n        <productid>IC</productid>\\n        <delta></delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IC2104</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>6601.8</openprice>\\n        <highestprice>6676</highestprice>\\n        <lowestprice>6501</lowestprice>\\n        <closeprice>6515</closeprice>\\n        <preopeninterest>0</preopeninterest>\\n        <openinterest>1064</openinterest>\\n        <presettlementprice>6612.6</presettlementprice>\\n        <settlementpriceif>6542.4</settlementpriceif>\\n        <settlementprice>6542.4</settlementprice>\\n        <volume>1187</volume>\\n        <turnover>1568829720</turnover>\\n        <productid>IC</productid>\\n        <delta></delta>\\n        <expiredate>20210416</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IC2106</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>6444</openprice>\\n        <highestprice>6518</highestprice>\\n        <lowestprice>6345</lowestprice>\\n        <closeprice>6358.8</closeprice>\\n        <preopeninterest>57717</preopeninterest>\\n        <openinterest>59455</openinterest>\\n        <presettlementprice>6396.6</presettlementprice>\\n        <settlementpriceif>6384.8</settlementpriceif>\\n        <settlementprice>6384.8</settlementprice>\\n        <volume>18889</volume>\\n        <turnover>24365371480</turnover>\\n        <productid>IC</productid>\\n        <delta></delta>\\n        <expiredate>20210618</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IC2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>6243.4</openprice>\\n        <highestprice>6328.2</highestprice>\\n        <lowestprice>6161.4</lowestprice>\\n        <closeprice>6168.4</closeprice>\\n        <preopeninterest>24880</preopeninterest>\\n        <openinterest>26285</openinterest>\\n        <presettlementprice>6203.4</presettlementprice>\\n        <settlementpriceif>6197.4</settlementpriceif>\\n        <settlementprice>6197.4</settlementprice>\\n        <volume>6431</volume>\\n        <turnover>8052131360</turnover>\\n        <productid>IC</productid>\\n        <delta></delta>\\n        <expiredate>20210917</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IF2103</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>5759</openprice>\\n        <highestprice>5761</highestprice>\\n        <lowestprice>5570</lowestprice>\\n        <closeprice>5578</closeprice>\\n        <preopeninterest>143418</preopeninterest>\\n        <openinterest>152273</openinterest>\\n        <presettlementprice>5748.8</presettlementprice>\\n        <settlementpriceif>5606.6</settlementpriceif>\\n        <settlementprice>5606.6</settlementprice>\\n        <volume>133089</volume>\\n        <turnover>226181240640</turnover>\\n        <productid>IF</productid>\\n        <delta></delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IF2104</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>5755.4</openprice>\\n        <highestprice>5755.4</highestprice>\\n        <lowestprice>5556.2</lowestprice>\\n        <closeprice>5570.2</closeprice>\\n        <preopeninterest>0</preopeninterest>\\n        <openinterest>1535</openinterest>\\n        <presettlementprice>5748.8</presettlementprice>\\n        <settlementpriceif>5597.6</settlementpriceif>\\n        <settlementprice>5597.6</settlementprice>\\n        <volume>1695</volume>\\n        <turnover>2876253240</turnover>\\n        <productid>IF</productid>\\n        <delta></delta>\\n        <expiredate>20210416</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IF2106</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>5692.2</openprice>\\n        <highestprice>5698.6</highestprice>\\n        <lowestprice>5511.6</lowestprice>\\n        <closeprice>5519</closeprice>\\n        <preopeninterest>38622</preopeninterest>\\n        <openinterest>42017</openinterest>\\n        <presettlementprice>5684</presettlementprice>\\n        <settlementpriceif>5546.4</settlementpriceif>\\n        <settlementprice>5546.4</settlementprice>\\n        <volume>18233</volume>\\n        <turnover>30646670640</turnover>\\n        <productid>IF</productid>\\n        <delta></delta>\\n        <expiredate>20210618</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IF2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>5618.8</openprice>\\n        <highestprice>5621</highestprice>\\n        <lowestprice>5441</lowestprice>\\n        <closeprice>5453</closeprice>\\n        <preopeninterest>9432</preopeninterest>\\n        <openinterest>10965</openinterest>\\n        <presettlementprice>5612</presettlementprice>\\n        <settlementpriceif>5474.6</settlementpriceif>\\n        <settlementprice>5474.6</settlementprice>\\n        <volume>4944</volume>\\n        <turnover>8194707900</turnover>\\n        <productid>IF</productid>\\n        <delta></delta>\\n        <expiredate>20210917</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IH2103</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>4009</openprice>\\n        <highestprice>4012.4</highestprice>\\n        <lowestprice>3869.2</lowestprice>\\n        <closeprice>3876</closeprice>\\n        <preopeninterest>47802</preopeninterest>\\n        <openinterest>52050</openinterest>\\n        <presettlementprice>4003.6</presettlementprice>\\n        <settlementpriceif>3887</settlementpriceif>\\n        <settlementprice>3887</settlementprice>\\n        <volume>49151</volume>\\n        <turnover>58008255840</turnover>\\n        <productid>IH</productid>\\n        <delta></delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IH2104</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>4008.2</openprice>\\n        <highestprice>4008.2</highestprice>\\n        <lowestprice>3867.4</lowestprice>\\n        <closeprice>3872.8</closeprice>\\n        <preopeninterest>0</preopeninterest>\\n        <openinterest>339</openinterest>\\n        <presettlementprice>4003.6</presettlementprice>\\n        <settlementpriceif>3880.6</settlementpriceif>\\n        <settlementprice>3880.6</settlementprice>\\n        <volume>389</volume>\\n        <turnover>459036480</turnover>\\n        <productid>IH</productid>\\n        <delta></delta>\\n        <expiredate>20210416</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IH2106</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>3971.4</openprice>\\n        <highestprice>3975</highestprice>\\n        <lowestprice>3830.2</lowestprice>\\n        <closeprice>3842.8</closeprice>\\n        <preopeninterest>15954</preopeninterest>\\n        <openinterest>17369</openinterest>\\n        <presettlementprice>3969.4</presettlementprice>\\n        <settlementpriceif>3850.6</settlementpriceif>\\n        <settlementprice>3850.6</settlementprice>\\n        <volume>7602</volume>\\n        <turnover>8889752340</turnover>\\n        <productid>IH</productid>\\n        <delta></delta>\\n        <expiredate>20210618</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IH2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>3926.8</openprice>\\n        <highestprice>3930</highestprice>\\n        <lowestprice>3785.4</lowestprice>\\n        <closeprice>3797.6</closeprice>\\n        <preopeninterest>3327</preopeninterest>\\n        <openinterest>3908</openinterest>\\n        <presettlementprice>3924.8</presettlementprice>\\n        <settlementpriceif>3805.4</settlementpriceif>\\n        <settlementprice>3805.4</settlementprice>\\n        <volume>2179</volume>\\n        <turnover>2518199280</turnover>\\n        <productid>IH</productid>\\n        <delta></delta>\\n        <expiredate>20210917</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3100</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2608</openprice>\\n        <highestprice>2608</highestprice>\\n        <lowestprice>2524.2</lowestprice>\\n        <closeprice>2524.2</closeprice>\\n        <preopeninterest>114</preopeninterest>\\n        <openinterest>109</openinterest>\\n        <presettlementprice>2645.6</presettlementprice>\\n        <settlementpriceif>2503</settlementpriceif>\\n        <settlementprice>2503</settlementprice>\\n        <volume>10</volume>\\n        <turnover>2584880</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3200</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2471.2</openprice>\\n        <highestprice>2471.2</highestprice>\\n        <lowestprice>2381.2</lowestprice>\\n        <closeprice>2392</closeprice>\\n        <preopeninterest>67</preopeninterest>\\n        <openinterest>67</openinterest>\\n        <presettlementprice>2545.8</presettlementprice>\\n        <settlementpriceif>2403.2</settlementpriceif>\\n        <settlementprice>2403.2</settlementprice>\\n        <volume>15</volume>\\n        <turnover>3597440</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3300</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2321.8</openprice>\\n        <highestprice>2321.8</highestprice>\\n        <lowestprice>2321.8</lowestprice>\\n        <closeprice>2321.8</closeprice>\\n        <preopeninterest>62</preopeninterest>\\n        <openinterest>62</openinterest>\\n        <presettlementprice>2446</presettlementprice>\\n        <settlementpriceif>2303.4</settlementpriceif>\\n        <settlementprice>2303.4</settlementprice>\\n        <volume>1</volume>\\n        <turnover>232180</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3400</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2271</openprice>\\n        <highestprice>2272.2</highestprice>\\n        <lowestprice>2221.8</lowestprice>\\n        <closeprice>2225.6</closeprice>\\n        <preopeninterest>51</preopeninterest>\\n        <openinterest>51</openinterest>\\n        <presettlementprice>2346</presettlementprice>\\n        <settlementpriceif>2203.4</settlementpriceif>\\n        <settlementprice>2203.4</settlementprice>\\n        <volume>8</volume>\\n        <turnover>1793960</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3500</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2182.2</openprice>\\n        <highestprice>2182.2</highestprice>\\n        <lowestprice>2099.8</lowestprice>\\n        <closeprice>2099.8</closeprice>\\n        <preopeninterest>49</preopeninterest>\\n        <openinterest>48</openinterest>\\n        <presettlementprice>2248</presettlementprice>\\n        <settlementpriceif>2103.6</settlementpriceif>\\n        <settlementprice>2103.6</settlementprice>\\n        <volume>6</volume>\\n        <turnover>1289220</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3600</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>2073.8</openprice>\\n        <highestprice>2073.8</highestprice>\\n        <lowestprice>2025</lowestprice>\\n        <closeprice>2025</closeprice>\\n        <preopeninterest>40</preopeninterest>\\n        <openinterest>40</openinterest>\\n        <presettlementprice>2148.4</presettlementprice>\\n        <settlementpriceif>2003.8</settlementpriceif>\\n        <settlementprice>2003.8</settlementprice>\\n        <volume>2</volume>\\n        <turnover>409880</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3700</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>1967.8</openprice>\\n        <highestprice>1977.2</highestprice>\\n        <lowestprice>1917</lowestprice>\\n        <closeprice>1917</closeprice>\\n        <preopeninterest>34</preopeninterest>\\n        <openinterest>34</openinterest>\\n        <presettlementprice>2046.4</presettlementprice>\\n        <settlementpriceif>1904</settlementpriceif>\\n        <settlementprice>1904</settlementprice>\\n        <volume>15</volume>\\n        <turnover>2952820</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3800</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice></openprice>\\n        <highestprice></highestprice>\\n        <lowestprice></lowestprice>\\n        <closeprice>1934</closeprice>\\n        <preopeninterest>56</preopeninterest>\\n        <openinterest>56</openinterest>\\n        <presettlementprice>1946.6</presettlementprice>\\n        <settlementpriceif>1804.2</settlementpriceif>\\n        <settlementprice>1804.2</settlementprice>\\n        <volume>0</volume>\\n        <turnover>0</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-3900</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>1774.6</openprice>\\n        <highestprice>1774.6</highestprice>\\n        <lowestprice>1774.6</lowestprice>\\n        <closeprice>1774.6</closeprice>\\n        <preopeninterest>86</preopeninterest>\\n        <openinterest>84</openinterest>\\n        <presettlementprice>1846.8</presettlementprice>\\n        <settlementpriceif>1704.2</settlementpriceif>\\n        <settlementprice>1704.2</settlementprice>\\n        <volume>2</volume>\\n        <turnover>354920</turnover>\\n        <productid>IO</productid>\\n        <delta>0.996</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-4000</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>1656</openprice>\\n        <highestprice>1708</highestprice>\\n        <lowestprice>1612.6</lowestprice>\\n        <closeprice>1616.6</closeprice>\\n        <preopeninterest>101</preopeninterest>\\n        <openinterest>80</openinterest>\\n        <presettlementprice>1747</presettlementprice>\\n        <settlementpriceif>1604.4</settlementpriceif>\\n        <settlementprice>1604.4</settlementprice>\\n        <volume>23</volume>\\n        <turnover>3771180</turnover>\\n        <productid>IO</productid>\\n        <delta>0.995</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-4100</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice></openprice>\\n        <highestprice></highestprice>\\n        <lowestprice></lowestprice>\\n        <closeprice>1637</closeprice>\\n        <preopeninterest>74</preopeninterest>\\n        <openinterest>74</openinterest>\\n        <presettlementprice>1650.2</presettlementprice>\\n        <settlementpriceif>1504.8</settlementpriceif>\\n        <settlementprice>1504.8</settlementprice>\\n        <volume>0</volume>\\n        <turnover>0</turnover>\\n        <productid>IO</productid>\\n        <delta>0.995</delta>\\n        <expiredate>20210319</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>IO2103-C-4200</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>1506.6</openprice>\\n        <highestprice>1506.6</highestprice>\\n        <lowestprice>1506.6</lowestprice>\\n        <closeprice>1506.6</closeprice>\\n        <preopeninterest>55</preopeninterest>\\n        <openinterest>55</openinterest>\\n        <presettlementprice>1547.4</presettlementprice>\\n        <settlementpriceif>1405</settlementpriceif>\\n        <settlementprice>1405</settlementprice>\\n        <volume>3</volume>\\n        <turnover>451980</turnover>\\n        <productid>IO</productid>\\n        <delta>0.994</delta>\\n        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 <openinterest>2184</openinterest>\\n        <presettlementprice>96.48</presettlementprice>\\n        <settlementpriceif>96.385</settlementpriceif>\\n        <settlementprice>96.385</settlementprice>\\n        <volume>815</volume>\\n        <turnover>785070900</turnover>\\n        <productid>T</productid>\\n        <delta></delta>\\n        <expiredate>20210910</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TF2103</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>99.36</openprice>\\n        <highestprice>99.58</highestprice>\\n        <lowestprice>99.32</lowestprice>\\n        <closeprice>99.58</closeprice>\\n        <preopeninterest>24182</preopeninterest>\\n        <openinterest>20098</openinterest>\\n        <presettlementprice>99.39</presettlementprice>\\n        <settlementpriceif>99.475</settlementpriceif>\\n        <settlementprice>99.475</settlementprice>\\n        <volume>8066</volume>\\n        <turnover>8019990800</turnover>\\n        <productid>TF</productid>\\n        <delta></delta>\\n        <expiredate>20210312</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TF2106</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>99.055</openprice>\\n        <highestprice>99.18</highestprice>\\n        <lowestprice>98.985</lowestprice>\\n        <closeprice>99.165</closeprice>\\n        <preopeninterest>39488</preopeninterest>\\n        <openinterest>43612</openinterest>\\n        <presettlementprice>99.07</presettlementprice>\\n        <settlementpriceif>99.145</settlementpriceif>\\n        <settlementprice>99.145</settlementprice>\\n        <volume>22427</volume>\\n        <turnover>22217178350</turnover>\\n        <productid>TF</productid>\\n        <delta></delta>\\n        <expiredate>20210611</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TF2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>98.88</openprice>\\n        <highestprice>99</highestprice>\\n        <lowestprice>98.84</lowestprice>\\n        <closeprice>98.965</closeprice>\\n        <preopeninterest>174</preopeninterest>\\n        <openinterest>217</openinterest>\\n        <presettlementprice>98.92</presettlementprice>\\n        <settlementpriceif>98.975</settlementpriceif>\\n        <settlementprice>98.975</settlementprice>\\n        <volume>75</volume>\\n        <turnover>74155250</turnover>\\n        <productid>TF</productid>\\n        <delta></delta>\\n        <expiredate>20210910</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TS2103</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>100.28</openprice>\\n        <highestprice>100.355</highestprice>\\n        <lowestprice>100.25</lowestprice>\\n        <closeprice>100.355</closeprice>\\n        <preopeninterest>14251</preopeninterest>\\n        <openinterest>12862</openinterest>\\n        <presettlementprice>100.275</presettlementprice>\\n        <settlementpriceif>100.345</settlementpriceif>\\n        <settlementprice>100.345</settlementprice>\\n        <volume>4861</volume>\\n        <turnover>9751860900</turnover>\\n        <productid>TS</productid>\\n        <delta></delta>\\n        <expiredate>20210312</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TS2106</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>99.945</openprice>\\n        <highestprice>99.99</highestprice>\\n        <lowestprice>99.91</lowestprice>\\n        <closeprice>99.98</closeprice>\\n        <preopeninterest>7437</preopeninterest>\\n        <openinterest>8370</openinterest>\\n        <presettlementprice>99.935</presettlementprice>\\n        <settlementpriceif>99.975</settlementpriceif>\\n        <settlementprice>99.975</settlementprice>\\n        <volume>4536</volume>\\n        <turnover>9067543200</turnover>\\n        <productid>TS</productid>\\n        <delta></delta>\\n        <expiredate>20210611</expiredate>\\n    </dailydata>\\n    <dailydata>\\n        <instrumentid>TS2109</instrumentid>\\n        <tradingday>20210222</tradingday>\\n        <openprice>99.815</openprice>\\n        <highestprice>99.88</highestprice>\\n        <lowestprice>99.815</lowestprice>\\n        <closeprice>99.875</closeprice>\\n        <preopeninterest>171</preopeninterest>\\n        <openinterest>193</openinterest>\\n        <presettlementprice>99.85</presettlementprice>\\n        <settlementpriceif>99.875</settlementpriceif>\\n        <settlementprice>99.875</settlementprice>\\n        <volume>56</volume>\\n        <turnover>111846700</turnover>\\n        <productid>TS</productid>\\n        <delta></delta>\\n        <expiredate>20210910</expiredate>\\n    </dailydata>\\n</dailydatas>\\n'\n"
     ]
    }
   ],
   "source": [
    "# 读取 XML 文件内容\n",
    "with open('./xml_origin.xml', 'r',encoding='utf-8') as f:\n",
    "    print(f.read())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>instrumentids</th>\n",
       "      <th>tradingdays</th>\n",
       "      <th>openprices</th>\n",
       "      <th>highestprices</th>\n",
       "      <th>highestprices</th>\n",
       "      <th>lowestprices</th>\n",
       "      <th>closeprices</th>\n",
       "      <th>preopeninterests</th>\n",
       "      <th>openinterests</th>\n",
       "      <th>presettlementprices</th>\n",
       "      <th>settlementpriceifs</th>\n",
       "      <th>settlementprices</th>\n",
       "      <th>volumes</th>\n",
       "      <th>turnovers</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>IC2103</td>\n",
       "      <td>20210222</td>\n",
       "      <td>6660</td>\n",
       "      <td>None</td>\n",
       "      <td>6565</td>\n",
       "      <td>6576.8</td>\n",
       "      <td>138714</td>\n",
       "      <td>141161</td>\n",
       "      <td>6612.6</td>\n",
       "      <td>6603.8</td>\n",
       "      <td>6603.8</td>\n",
       "      <td>98536</td>\n",
       "      <td>131405556280</td>\n",
       "      <td>IC</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>IC2104</td>\n",
       "      <td>20210222</td>\n",
       "      <td>6601.8</td>\n",
       "      <td>None</td>\n",
       "      <td>6501</td>\n",
       "      <td>6515</td>\n",
       "      <td>0</td>\n",
       "      <td>1064</td>\n",
       "      <td>6612.6</td>\n",
       "      <td>6542.4</td>\n",
       "      <td>6542.4</td>\n",
       "      <td>1187</td>\n",
       "      <td>1568829720</td>\n",
       "      <td>IC</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>IC2106</td>\n",
       "      <td>20210222</td>\n",
       "      <td>6444</td>\n",
       "      <td>None</td>\n",
       "      <td>6345</td>\n",
       "      <td>6358.8</td>\n",
       "      <td>57717</td>\n",
       "      <td>59455</td>\n",
       "      <td>6396.6</td>\n",
       "      <td>6384.8</td>\n",
       "      <td>6384.8</td>\n",
       "      <td>18889</td>\n",
       "      <td>24365371480</td>\n",
       "      <td>IC</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>IC2109</td>\n",
       "      <td>20210222</td>\n",
       "      <td>6243.4</td>\n",
       "      <td>None</td>\n",
       "      <td>6161.4</td>\n",
       "      <td>6168.4</td>\n",
       "      <td>24880</td>\n",
       "      <td>26285</td>\n",
       "      <td>6203.4</td>\n",
       "      <td>6197.4</td>\n",
       "      <td>6197.4</td>\n",
       "      <td>6431</td>\n",
       "      <td>8052131360</td>\n",
       "      <td>IC</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>IF2103</td>\n",
       "      <td>20210222</td>\n",
       "      <td>5759</td>\n",
       "      <td>None</td>\n",
       "      <td>5570</td>\n",
       "      <td>5578</td>\n",
       "      <td>143418</td>\n",
       "      <td>152273</td>\n",
       "      <td>5748.8</td>\n",
       "      <td>5606.6</td>\n",
       "      <td>5606.6</td>\n",
       "      <td>133089</td>\n",
       "      <td>226181240640</td>\n",
       "      <td>IF</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>266</th>\n",
       "      <td>TF2106</td>\n",
       "      <td>20210222</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>99.165</td>\n",
       "      <td>39488</td>\n",
       "      <td>43612</td>\n",
       "      <td>99.07</td>\n",
       "      <td>99.145</td>\n",
       "      <td>99.145</td>\n",
       "      <td>22427</td>\n",
       "      <td>22217178350</td>\n",
       "      <td>TF</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>267</th>\n",
       "      <td>TF2109</td>\n",
       "      <td>20210222</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>98.965</td>\n",
       "      <td>174</td>\n",
       "      <td>217</td>\n",
       "      <td>98.92</td>\n",
       "      <td>98.975</td>\n",
       "      <td>98.975</td>\n",
       "      <td>75</td>\n",
       "      <td>74155250</td>\n",
       "      <td>TF</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>268</th>\n",
       "      <td>TS2103</td>\n",
       "      <td>20210222</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>100.355</td>\n",
       "      <td>14251</td>\n",
       "      <td>12862</td>\n",
       "      <td>100.275</td>\n",
       "      <td>100.345</td>\n",
       "      <td>100.345</td>\n",
       "      <td>4861</td>\n",
       "      <td>9751860900</td>\n",
       "      <td>TS</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>269</th>\n",
       "      <td>TS2106</td>\n",
       "      <td>20210222</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>99.98</td>\n",
       "      <td>7437</td>\n",
       "      <td>8370</td>\n",
       "      <td>99.935</td>\n",
       "      <td>99.975</td>\n",
       "      <td>99.975</td>\n",
       "      <td>4536</td>\n",
       "      <td>9067543200</td>\n",
       "      <td>TS</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>270</th>\n",
       "      <td>TS2109</td>\n",
       "      <td>20210222</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>None</td>\n",
       "      <td>99.875</td>\n",
       "      <td>171</td>\n",
       "      <td>193</td>\n",
       "      <td>99.85</td>\n",
       "      <td>99.875</td>\n",
       "      <td>99.875</td>\n",
       "      <td>56</td>\n",
       "      <td>111846700</td>\n",
       "      <td>TS</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>271 rows × 14 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "    instrumentids tradingdays openprices highestprices highestprices  \\\n",
       "0          IC2103    20210222       6660          None          6565   \n",
       "1          IC2104    20210222     6601.8          None          6501   \n",
       "2          IC2106    20210222       6444          None          6345   \n",
       "3          IC2109    20210222     6243.4          None        6161.4   \n",
       "4          IF2103    20210222       5759          None          5570   \n",
       "..            ...         ...        ...           ...           ...   \n",
       "266        TF2106    20210222       None          None          None   \n",
       "267        TF2109    20210222       None          None          None   \n",
       "268        TS2103    20210222       None          None          None   \n",
       "269        TS2106    20210222       None          None          None   \n",
       "270        TS2109    20210222       None          None          None   \n",
       "\n",
       "    lowestprices closeprices preopeninterests openinterests  \\\n",
       "0         6576.8      138714           141161        6612.6   \n",
       "1           6515           0             1064        6612.6   \n",
       "2         6358.8       57717            59455        6396.6   \n",
       "3         6168.4       24880            26285        6203.4   \n",
       "4           5578      143418           152273        5748.8   \n",
       "..           ...         ...              ...           ...   \n",
       "266       99.165       39488            43612         99.07   \n",
       "267       98.965         174              217         98.92   \n",
       "268      100.355       14251            12862       100.275   \n",
       "269        99.98        7437             8370        99.935   \n",
       "270       99.875         171              193         99.85   \n",
       "\n",
       "    presettlementprices settlementpriceifs settlementprices       volumes  \\\n",
       "0                6603.8             6603.8            98536  131405556280   \n",
       "1                6542.4             6542.4             1187    1568829720   \n",
       "2                6384.8             6384.8            18889   24365371480   \n",
       "3                6197.4             6197.4             6431    8052131360   \n",
       "4                5606.6             5606.6           133089  226181240640   \n",
       "..                  ...                ...              ...           ...   \n",
       "266              99.145             99.145            22427   22217178350   \n",
       "267              98.975             98.975               75      74155250   \n",
       "268             100.345            100.345             4861    9751860900   \n",
       "269              99.975             99.975             4536    9067543200   \n",
       "270              99.875             99.875               56     111846700   \n",
       "\n",
       "    turnovers  \n",
       "0          IC  \n",
       "1          IC  \n",
       "2          IC  \n",
       "3          IC  \n",
       "4          IF  \n",
       "..        ...  \n",
       "266        TF  \n",
       "267        TF  \n",
       "268        TS  \n",
       "269        TS  \n",
       "270        TS  \n",
       "\n",
       "[271 rows x 14 columns]"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 解析 XPath 文件内容\n",
    "# 使用 XPath\n",
    "from lxml import etree\n",
    "\n",
    "with open('./xml_origin.xml', 'r',encoding='utf-8') as f:\n",
    "    html = bytes(bytearray(f.read(), encoding='utf-8'))\n",
    "    selector = etree.HTML(html)\n",
    "    instrumentids = selector.xpath('//dailydatas/dailydata/instrumentid/text()')\n",
    "    tradingdays = selector.xpath('//dailydatas/dailydata/tradingday/text()')\n",
    "    openprices = selector.xpath('//dailydatas/dailydata/openprice/text()')\n",
    "    highestprices = selector.xpath('//dailydatas/dailydata/highestpricey/text()')\n",
    "    lowestprices = selector.xpath('//dailydatas/dailydata/lowestprice/text()')\n",
    "    closeprices = selector.xpath('//dailydatas/dailydata/closeprice/text()')\n",
    "    preopeninterests = selector.xpath('//dailydatas/dailydata/preopeninterest/text()')\n",
    "    openinterests = selector.xpath('//dailydatas/dailydata/openinterest/text()')\n",
    "    presettlementprices = selector.xpath('//dailydatas/dailydata/presettlementprice/text()')\n",
    "    settlementpriceifs = selector.xpath('//dailydatas/dailydata/settlementpriceif/text()')\n",
    "    settlementprices = selector.xpath('//dailydatas/dailydata/settlementprice/text()')\n",
    "    volumes = selector.xpath('//dailydatas/dailydata/volume/text()')\n",
    "    turnovers = selector.xpath('//dailydatas/dailydata/turnover/text()')\n",
    "    productids = selector.xpath('//dailydatas/dailydata/productid/text()')\n",
    "    list_content = [instrumentids,tradingdays,openprices,highestprices,lowestprices,closeprices,preopeninterests,openinterests,presettlementprices,settlementpriceifs,settlementprices,\\\n",
    "                    volumes,turnovers,productids]\n",
    "    df_xml = pd.DataFrame(list_content)\n",
    "    df_xml = df_xml.T\n",
    "    df_xml.rename(columns={0:'instrumentids',\n",
    "                           1:'tradingdays',\n",
    "                           2:'openprices',\n",
    "                           3:'highestprices',\n",
    "                           4:'highestprices',\n",
    "                           5:'lowestprices',\n",
    "                           6:'closeprices',\n",
    "                           7:'preopeninterests',\n",
    "                           8:'openinterests',\n",
    "                           9:'presettlementprices',\n",
    "                           10:'settlementpriceifs',\n",
    "                           11:'settlementprices',\n",
    "                           12:'volumes',\n",
    "                           13:'turnovers',\n",
    "                           14:'productids',\n",
    "                          }\n",
    "                  ,inplace=True)\n",
    "df_xml"
   ]
  }
 ],
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